Finding the Fourth Proportional to 372,353,261.36, 513,850,966.38 and 205,095,459.80
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Solution
The fourth proportional to 372,353,261.36, 513,850,966.38 and 205,095,459.80 is: 283,033,643.46
Step by Step Solution
- Step 1: Write the proportion equation
372,353,261.36 : 513,850,966.38 = 205,095,459.80 : x - Step 2: Convert to fraction form
372,353,261.36/513,850,966.38 = 205,095,459.80/x - Step 3: Cross multiply
372,353,261.36x = 513,850,966.38 × 205,095,459.80 - Step 4: Simplify right side
372,353,261.36x = 105,388,500,218,380,448 - Step 5: Solve for x
x = 105,388,500,218,380,448/372,353,261.36 - Step 6: Final answer
x = 283,033,643.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.